314 Journal of Comparative Neukologv. 



hy. — ramus hyoideus facialis. 



H'^. — the branch of the hyomandibular trunk for pit-organs under and 

 behind the eye. 



Jac. anast. — Jacobson's anastomosis. 



lat. ac. — ramus lateralis accessorius. 



/. /. VII. — the lateral line root of the facialis. 



lob. inf. — lobi inferiores. 



low. in. buc. — lower inner buccal branch of the facialis. 



/, rec. VII. — lateralis fibers entering the r. recurrens VII. 



M. — metacoele, or fourth ventricle. 



m. ad. arc. pal. — muscle adductor arcus palatini. 



m. ad. hy. — m. adductor hyomandibularis. 



m. ad. man. — m. adductor raandibulce. 



man. V. — ramus mandibularis V. 



m. lev. arc. pal. — m. levator arcus palatini. 



mot. V. — motor root of the trigeminus. 



mot. VII. — motor root of the facialis. 



m. r. ext. — external rectus muscle. 



mx. V. — ramus maxillaris V. 



n. II. — the optic nerve. 



n. III. — the oculomotor nerve. 



n. IV. — the n. trochlearis. 



n. 0. i. g. — branch of outer buccal nerve for the 9th organ of infra-orbital 

 canal. 



n. V. — the trigeminus nerve. 



n. VI. — the n. abducens. 



o. I. 8. to 0. i. II. — lateral lines organs of the infra-orbital canal (Cole's 

 nomenclature). 



0. m. II and 0. m. 12. — the ilth and 12th organs of the operculo-mandibular 

 canal. 



op. lob. — optic lobe. 



op. s. + hy. — the mixed nerve containing the r. opercularis superficialis 

 and the r. hyoideus of the facialis. 



0. s. 5. — the fifth lateral line organ of the supra-orbital canal. 



out. buc. — outer buccal branch of the facialis. 



out. buc. cut. — general cutaneous fibers accompanying the preceding nerve. 



o, V. — apparent origin of the trigeminus. 



0. VII. — apparent origin of the facialis. 



/>0.— post-orbital bones. 



p^ o^ c. — post-orbital canal. 



PS. — parasphenoid bone. 



psbr. — pseudobranch. 



^ a. a. — ramulus acusticus ampullae anterioris. 



r. add. — branch of r. opercularis profundus VII for mm. adductor arcus 

 palatini and adductor hyomandibularis. 



r. ad. pal. — branch for m. adductor arcus palatini. 



^^ jj, ^. ramulus acusticus ampullae externae. 



